---
title: cartGetIdDefault
description: Creates a function that returns the cart id from request header cookie.
api_version: 2026-10
source_url:
  html: https://shopify.dev/docs/api/hydrogen/latest/utilities/cart/cartgetiddefault
  md: https://shopify.dev/docs/api/hydrogen/latest/utilities/cart/cartgetiddefault.md
---

cart​Get​Id​Default

Not supported in this version.